I just bought a 2006 Nissan Altima SE-R 6spd with 200,000km on it. I have been going through these forums and noticed pre-cat failure is a common issue. Every forum seems to mention RLP for high flow pre-cats but they are now out of business. Can anyone recommend an RLP alternative? I would like...

I have a 2008 Altima 2.5L with 150k miles. It just pushed a P0420 code. I have done a lot of research on this forum and others and it seems in the older models a precat failure could cause debris to be sucked into the engine causing engine failure. I have not found any reports of this happening...